class stTTS;
class stTTSInst{
    public:
        stTTSInst(std::string &model_path, std::string &model_fix,void (*pcm_callback)(std::vector<short> &pcm,void* args,bool endf),void*args);
        void input(const std::vector<std::vector<std::vector<std::string>>> &sentences);

    private:
        std::shared_ptr<stTTS> _TTSInst = nullptr;
};
